Low-frequency transport properties of the Wigner solid on normal and superfluid He-3 have been studied. It is known that the Wigner solid deforms the free surface of liquid He to form a dimple lattice. The low-frequency resistivity is successfully interpreted by the ballistic and specular scattering of He-3 quasiparticles from the dimple lattice. The resistivity decreases abruptly below the superfluid transition temperature. For superfluid He-3-A, the l-texture, presumably perpendicularly oriented to the free surface, has an essential influence on the resistivity. (C) 2000 Elsevier Science B.V. All rights reserved.